ESI ESRTP4 Gebrauchsanweisung - Seite 8

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mechanical thermostat installed, the energy saving benefits

of a replacement high efficiency condensing boiler will not

be realised as the boiler will rarely be running in condensing

mode. Heating and hot water can account for over 80%

of total household energy usage. Chronoproportional (TPI)

thermostats can provide great cost savings. It can be used

on any boiler, with underfloor and radiator systems, zoned

heating and electric heating systems. The use of an electronic

thermostat with chronoproportional capability provides closer

temperature control plus possible reductions of 10% in both

fuel cost and carbon emissions. This thermostat has the

option of standard setting or TPI.

What is Delayed Start?

1.4

Thermostats with the Delayed Start function have been

shown to reduce heating costs by as much as 10%. This

feature delays the start-up of the heating, depending on how

warm the room temperature is at the time when the central

heating is due to come on.

The heating start can be delayed for up to 45 minutes if the

room is already relatively warm, when the weather is milder

for example. This often reduces how long the heating is on

per day, with no comfort loss, saving you energy and money!

The Delayed Start feature can be fully automated and needs

no extra programming.

What is Optimum Start?

1.5

The Optimum Start adjusts the starting time for home

heating according to the temperature measured within the

building. Instead of setting an arbitrary time for the heating

to come on, the homeowner programmes the time that the

home should be at the desired temperature. Up to 10% of

domestic energy costs can be saved, as the warm up time is